Pith Number

pith:2FZYTO5I

pith:2017:2FZYTO5IQDL4QKQ3ITJCUBJVLG

not attested not anchored not stored refs pending

A Semi-Automated Technique for Internal Jugular Vein Segmentation in Ultrasound Images Using Active Contours

Andrew Smith, Ebrahim Karami, Mohamed Shehata, Peter McGuire

arxiv:1710.02732 v2 · 2017-10-07 · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FZYTO5IQDL4QKQ3ITJCUBJVLG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:21:04.586813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d17389bba880d7c82a1b44d22a053559ac3d4b85712ac8f1b73d7ac74ba83472

Aliases

arxiv: 1710.02732 · arxiv_version: 1710.02732v2 · doi: 10.48550/arxiv.1710.02732 · pith_short_12: 2FZYTO5IQDL4 · pith_short_16: 2FZYTO5IQDL4QKQ3 · pith_short_8: 2FZYTO5I

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2FZYTO5IQDL4QKQ3ITJCUBJVLG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d17389bba880d7c82a1b44d22a053559ac3d4b85712ac8f1b73d7ac74ba83472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9d9956d873df07b978894dbd04f4295b03d19fda2228e67f55ec10f41731e7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2017-10-07T19:40:30Z",
    "title_canon_sha256": "cd4d394fc77e5d000395289deefaf5b830ee5deb03b85280023833a83c8101d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02732",
    "kind": "arxiv",
    "version": 2
  }
}